<template>
  <div :id="id" :class="className" :style="{ height: height, width: width }" />
</template>

<script setup>
import * as echarts from 'echarts'

const props = defineProps({
  className: {
    type: String,
    default: 'chart'
  },
  id: {
    type: String,
    default: 'chart'
  },
  width: {
    type: String,
    default: '200px'
  },
  height: {
    type: String,
    default: '200px'
  }
})
const state = reactive({
  chart: null
})
onMounted(() => {
  initChart()
})

onBeforeUnmount(() => {
  if (!state.chart) {
    return
  }
  state.chart.dispose()
  state.chart = null
})

const initChart = () => {
  // eslint-disable-next-line unicorn/prefer-query-selector
  state.chart = echarts.init(document.getElementById(props.id))
  const xAxisData = []
  const data = []
  const data2 = []
  for (let i = 0; i < 50; i++) {
    xAxisData.push(i)
    data.push((Math.sin(i / 5) * (i / 5 - 10) + i / 6) * 5)
    data2.push((Math.sin(i / 5) * (i / 5 + 10) + i / 6) * 3)
  }
  state.chart.setOption({
    backgroundColor: '#08263a',
    grid: {
      left: '5%',
      right: '5%'
    },
    xAxis: [
      {
        show: false,
        data: xAxisData
      },
      {
        show: false,
        data: xAxisData
      }
    ],
    visualMap: {
      show: false,
      min: 0,
      max: 50,
      dimension: 0,
      inRange: {
        color: ['#4a657a', '#308e92', '#b1cfa5', '#f5d69f', '#f5898b', '#ef5055']
      }
    },
    yAxis: {
      axisLine: {
        show: false
      },
      axisLabel: {
        textStyle: {
          color: '#4a657a'
        }
      },
      splitLine: {
        show: true,
        lineStyle: {
          color: '#08263f'
        }
      },
      axisTick: {
        show: false
      }
    },
    series: [
      {
        name: 'back',
        type: 'bar',
        data: data2,
        z: 1,
        itemStyle: {
          normal: {
            opacity: 0.4,
            barBorderRadius: 5,
            shadowBlur: 3,
            shadowColor: '#111'
          }
        }
      },
      {
        name: 'Simulate Shadow',
        type: 'line',
        data,
        z: 2,
        showSymbol: false,
        animationDelay: 0,
        animationEasing: 'linear',
        animationDuration: 1200,
        lineStyle: {
          normal: {
            color: 'transparent'
          }
        },
        areaStyle: {
          normal: {
            color: '#08263a',
            shadowBlur: 50,
            shadowColor: '#000'
          }
        }
      },
      {
        name: 'front',
        type: 'bar',
        data,
        xAxisIndex: 1,
        z: 3,
        itemStyle: {
          normal: {
            barBorderRadius: 5
          }
        }
      }
    ],
    animationEasing: 'elasticOut',
    animationEasingUpdate: 'elasticOut',
    animationDelay(idx) {
      return idx * 20
    },
    animationDelayUpdate(idx) {
      return idx * 20
    }
  })
}
</script>

<style scoped lang="scss"></style>
